Visualization instrument



FIG. 1 is a front elevation view of a visualization instrument of thepresent design;

FIG. 2 is a front perspective view of the visualization instrument shownin FIG. 1;

FIG. 3 is a right elevation view of the visualization instrument shownin FIG. 1;

FIG. 4 is a left elevation view of the visualization instrument shown inFIG. 1;

FIG. 5 is a rear perspective view of the visualization instrument shownin FIG. 1;

FIG. 6 is a rear elevation view of the visualization instrument shown inFIG. 1;

FIG. 7 is a top plan view of the visualization instrument shown in FIG.1; and,

FIG. 8 is a bottom plan view of the visualization instrument shown inFIG. 1.

The broken lines encompassing unshaded regions represent the bounds ofthe claimed design while all other broken lines are directed toenvironment and are for illustrative purposes only; the broken linesform no part of the claimed design.

The ornamental design for the visualization instrument, as shown anddescribed.